body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    margin: 0;
    padding: 20px;
}

a {
    color: #007bff;
    text-decoration: none;
    font-size: 16px;
}

a:hover {
    text-decoration: underline;
}

form {
    margin-top: 20px;
}

input[type="text"] {
    padding: 5px;
    font-size: 14px;
}

input[type="submit"] {
    padding: 5px 10px;
    font-size: 14px;
    background-color: #007bff;
    color: white;
    border: none;
    cursor: pointer;
}

input[type="submit"]:hover {
    background-color: #0056b3;
}

span {
    display: block;
    margin: 20px 0;
    color: #666;
}

iframe {
    border: 1px solid #ccc;
    border-radius: 4px;
}